What are the two lower chambers?
Ventricles
Where is the location of the heart?
In the chest cavity between the two lungs
What are the organs that form the circulatory system?
Blood - blood vessels - heart
How many chambers does the heart have?
4
What does the circulatory system transfer to all body cells?
Oxygen and nutrients
When blood passes by which organ it gets oxygenated?
Lungs
Heart is a ?
Muscle
The blood vessel that carries blood low in oxygen?
Veins
